Ey translator mate, good job for doing this, and take your time! :) We ain't rushing this (though more chapters are great!)
also, this manga artist would be rich selling whatever they smokin'
It concerns me that Senpai got something about "the past".
Please tell me there ain't gonna be sad backstory to him that explains his apparently dense behavior.
@qornanali The Japanese aren't quick to "warm up" to other people, so they reserve the first name calling for a closer level of intimacy (BFF/boyfriend/girlfriend/family).